123321122331 has 16 divisors (see below), whose sum is σ = 179768707968. Its totient is φ = 74576520000.

The previous prime is 123321122317. The next prime is 123321122333. The reversal of 123321122331 is 133221123321.

It is not a de Polignac number, because 123321122331 - 2¹¹ = 123321120283 is a prime.

It is a super-2 number, since 2×123321122331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123321122333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4073545 + ... + 4103706.

It is an arithmetic number, because the mean of its divisors is an integer number (11235544248).

Almost surely, 2^123321122331 is an apocalyptic number.

123321122331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123321122331 is a deficient number, since it is larger than the sum of its proper divisors (56447585637).

123321122331 is a wasteful number, since it uses less digits than its factorization.

123321122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8177722.

The product of its digits is 1296, while the sum is 24.

Adding to 123321122331 its reverse (133221123321), we get a palindrome (256542245652).

The spelling of 123321122331 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred twenty-two thousand, three hundred thirty-one".